Seattle's ‘Gum Wall’ Set For a Cleanup

The "Gum Wall", an alley near Seattle's Pike Place Market, is set to be steam cleaned to remove over a million pieces of chewing gum that have accumulated over the past 20 years.

This transcript has been automatically generated and may not be 100% accurate.

... when I ... aam ... I ... and people were waiting in line with the improv Peter and I think it started out as head of the improvisation ... and it caught on and over the years and now it's one that's on Seattle's most visited at insert interact ... I think are really excited so it's been about twenty years ... I'd sense that the wild What's created in the early nineties so I think in this way we just too late it's a good time to visit every down back down to the original walls ... I think we have more than them a million pieces that I'm ... and I think that that's a conservative ... I ...